Polarity Sensitive Telephone Connection - Panasonic KX-TA624 Installation Manual

2.12

Polarity Sensitive Telephone Connection

If your telephone is polarity sensitive, follow the procedure below:
Exchange Line
Reverse here
Exchange Line
Reverse here
1. Complete all the required extension wiring.
2. Confirm that dialling can be done from all the
extensions using a touch-tone telephone.
If dialling fails, the polarity between the extension
and the system must be reversed.
3. Reverse as shown.
Extension
4. Unplug the system.
1 2 3
4 5 6
7 8 9
0
5. Connect all exchange lines.
6. Confirm that dialling can be done on the following
extension using a touch-tone telephone.
Extension (A, B) of port 01: Exchange line 1
If dialling fails, the polarity between the system and
the exchange line must be reversed.
7. Reverse as shown.
8. Every time an extension telephone is replaced,
Extension
repeat the procedure above.
1 2 3
4 5 6
7 8 9
0
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Installation